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July 4, 2015

Homework Help: Statistics

Posted by Adria on Tuesday, December 8, 2009 at 8:57am.

In a distribution of 400 response times with a mean of 7 minutes and a standard deviation of 2 minutes, the maximum number of response times greater than 13 minutes would be about:

A. 40
B. 100
C. 75
D. 90

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